Warhammer Underworlds meets fast-paced multiplayer combat in Arena Mortis – an expansion that transforms the ultimate competitive miniatures game into a furious free-for-all! This boxed set lets you transform your Warhammer Underworlds collection into a new kind of game. Picking your favourite hero, you'll embark on arena battles that are fast paced, fun and that'll push your Warhammer Underworlds skills to the limit! Includes: - 20 all-new Gambit cards – designed for Arena Mortis but usable in ANY of your games - 20 all-new Upgrade cards – also usable in ordinary games of Warhammer Underworlds - A double-sided game board to play on, compatible with all existing Warhammer Underworlds boards - Tokens and Cards for keeping track of the game - Updated cards for the Restless Dead gambit and the Sepulchral Warden, reprinted for your convenience incorporating the latest rules updates -description from the publisher's website